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User: Fourpole

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  1. Re:Lego Mindstorms on Gadgets For a Budding Geek? · · Score: 2, Insightful

    I'll second this. It will run you more than 50 bucks but for a geeky toy it is pretty hard to beat. Making your own original machines can be challenging enough that you can get involved in helping out too.

  2. Re:falling forwards on 1000-mph Car Planned · · Score: 1

    a = (1g^2 + 1.196g^2)^.5
    = 2.196^.5 g

    1^2 plus 1.196^2 does not equal 2.196.

  3. This link explains a lot of your questions. on Simulation of the Mars Science Laboratory Sky Crane · · Score: 1

    Here is a link to a Universe Today story outlining the difficulties of landing on Mars. This is mostly about a manned mission but it does specifically reference the MSL. http://www.universetoday.com/2007/07/17/the-mars-landing-approach-getting-large-payloads-to-the-surface-of-the-red-planet/

  4. Re:us phone = us citizen? on ACLU Files Lawsuit Challenging FISA · · Score: 1

    Perhaps you mean the Declaration of Independence? The Constitution was adopted by the Constitutional Convention in 1787, 4 years after the end of the Revolutionary War and the signing of the Treaty of Paris in 1783.

  5. Re:Those specs don't make sense... on First US Offshore Wind Power Park In Delaware · · Score: 1

    The diameter is 300 feet but the radius is the size of the blade, 150. The center of the circle the blades will sweep is 250 feet high. With a 150 foot blade, the tip will swing 100 feet above the water at the lowest, and 400 feet off the water at the highest.